drivers/iio/accel/kxsd9-spi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 #include <linux/device.h>
   3 #include <linux/kernel.h>
   4 #include <linux/spi/spi.h>
   5 #include <linux/module.h>
   6 #include <linux/mod_devicetable.h>
   7 #include <linux/slab.h>
   8 #include <linux/regmap.h>
   9
  10 #include "kxsd9.h"
  11
  12 static int kxsd9_spi_probe(struct spi_device *spi)
  13 {
  14         static const struct regmap_config config = {
  15                 .reg_bits = 8,
  16                 .val_bits = 8,
  17                 .max_register = 0x0e,
  18         };
  19         struct regmap *regmap;
  20
  21         spi->mode = SPI_MODE_0;
  22         regmap = devm_regmap_init_spi(spi, &config);
  23         if (IS_ERR(regmap)) {
  24                 dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
  25                         __func__, PTR_ERR(regmap));
  26                 return PTR_ERR(regmap);
  27         }
  28
  29         return kxsd9_common_probe(&spi->dev,
  30                                   regmap,
  31                                   spi_get_device_id(spi)->name);
  32 }
  33
  34 static void kxsd9_spi_remove(struct spi_device *spi)
  35 {
  36         kxsd9_common_remove(&spi->dev);
  37 }
  38
  39 static const struct spi_device_id kxsd9_spi_id[] = {
  40         {"kxsd9", 0},
  41         { },
  42 };
  43 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
  44
  45 static const struct of_device_id kxsd9_of_match[] = {
  46         { .compatible = "kionix,kxsd9" },
  47         { }
  48 };
  49 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
  50
  51 static struct spi_driver kxsd9_spi_driver = {
  52         .driver = {
  53                 .name = "kxsd9",
  54                 .pm = pm_ptr(&kxsd9_dev_pm_ops),
  55                 .of_match_table = kxsd9_of_match,
  56         },
  57         .probe = kxsd9_spi_probe,
  58         .remove = kxsd9_spi_remove,
  59         .id_table = kxsd9_spi_id,
  60 };
  61 module_spi_driver(kxsd9_spi_driver);
  62
  63 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
  64 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
  65 MODULE_LICENSE("GPL v2");
  66 MODULE_IMPORT_NS(IIO_KXSD9);